HAVANA (AP) — U.S. and Cuban representatives met in Havana on Monday for renewed talks on re-establishing direct mail service, 50 years after it was severed amid Cold War tensions relations.

The American delegation was led by Lea Emerson, executive director for international postal affairs at the U.S. Postal Service, and included State Department officials. They met with counterparts from Cuba’s postal agency and Foreign Ministry.

According to State Department press guidance, the goal is to hammer out details of a pilot program to directly transport mail between the two countries five decades after it was canceled in 1963.

Currently, letters mailed from the United States to Cuba and vice versa take circuitous paths through third countries even though just 90 miles of sea separates the island nation from Florida.

Monday’s meeting follows similar negotiations in Washington in June. Cuba and the United States also held migration discussions in July.

Both sets of talks had been on hold since 2009, when USAID development subcontractor Alan Gross was caught bringing restricted communications equipment into Cuba.

He was sentenced to 15 years in prison under a statute governing crimes against the state, although he argues that he never intended to harm Cuba and was only setting up Internet networks for island Jewish groups.

Resumption of talks this year was seen as a positive sign for relations, even if the two sides are still far apart on many issues such as Gross’ detention, the imprisonment of five Cuban agents in the United States and Washington’s 51-year-old economic embargo against Cuba.

With no formal diplomatic relations between Havana and Washington, such discussions have in the past served as a pretext to talk about other issues.

In 2009, a senior State Department stayed in Havana nearly a week after mail talks and met privately with Cuba’s deputy foreign minister in the highest-level contact the two governments had had in decades.